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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c2156
1 files changed, 2156 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
new file mode 100644
index 000000000..e22835ae8
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -0,0 +1,2156 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2016-2017 Hisilicon Limited.
+
+#include <linux/etherdevice.h>
+#include <linux/string.h>
+#include <linux/phy.h>
+#include <linux/sfp.h>
+
+#include "hns3_enet.h"
+#include "hns3_ethtool.h"
+
+/* tqp related stats */
+#define HNS3_TQP_STAT(_string, _member) { \
+ .stats_string = _string, \
+ .stats_offset = offsetof(struct hns3_enet_ring, stats) +\
+ offsetof(struct ring_stats, _member), \
+}
+
+static const struct hns3_stats hns3_txq_stats[] = {
+ /* Tx per-queue statistics */
+ HNS3_TQP_STAT("dropped", sw_err_cnt),
+ HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
+ HNS3_TQP_STAT("packets", tx_pkts),
+ HNS3_TQP_STAT("bytes", tx_bytes),
+ HNS3_TQP_STAT("more", tx_more),
+ HNS3_TQP_STAT("push", tx_push),
+ HNS3_TQP_STAT("mem_doorbell", tx_mem_doorbell),
+ HNS3_TQP_STAT("wake", restart_queue),
+ HNS3_TQP_STAT("busy", tx_busy),
+ HNS3_TQP_STAT("copy", tx_copy),
+ HNS3_TQP_STAT("vlan_err", tx_vlan_err),
+ HNS3_TQP_STAT("l4_proto_err", tx_l4_proto_err),
+ HNS3_TQP_STAT("l2l3l4_err", tx_l2l3l4_err),
+ HNS3_TQP_STAT("tso_err", tx_tso_err),
+ HNS3_TQP_STAT("over_max_recursion", over_max_recursion),
+ HNS3_TQP_STAT("hw_limitation", hw_limitation),
+ HNS3_TQP_STAT("bounce", tx_bounce),
+ HNS3_TQP_STAT("spare_full", tx_spare_full),
+ HNS3_TQP_STAT("copy_bits_err", copy_bits_err),
+ HNS3_TQP_STAT("sgl", tx_sgl),
+ HNS3_TQP_STAT("skb2sgl_err", skb2sgl_err),
+ HNS3_TQP_STAT("map_sg_err", map_sg_err),
+};
+
+#define HNS3_TXQ_STATS_COUNT ARRAY_SIZE(hns3_txq_stats)
+
+static const struct hns3_stats hns3_rxq_stats[] = {
+ /* Rx per-queue statistics */
+ HNS3_TQP_STAT("dropped", sw_err_cnt),
+ HNS3_TQP_STAT("seg_pkt_cnt", seg_pkt_cnt),
+ HNS3_TQP_STAT("packets", rx_pkts),
+ HNS3_TQP_STAT("bytes", rx_bytes),
+ HNS3_TQP_STAT("errors", rx_err_cnt),
+ HNS3_TQP_STAT("reuse_pg_cnt", reuse_pg_cnt),
+ HNS3_TQP_STAT("err_pkt_len", err_pkt_len),
+ HNS3_TQP_STAT("err_bd_num", err_bd_num),
+ HNS3_TQP_STAT("l2_err", l2_err),
+ HNS3_TQP_STAT("l3l4_csum_err", l3l4_csum_err),
+ HNS3_TQP_STAT("csum_complete", csum_complete),
+ HNS3_TQP_STAT("multicast", rx_multicast),
+ HNS3_TQP_STAT("non_reuse_pg", non_reuse_pg),
+ HNS3_TQP_STAT("frag_alloc_err", frag_alloc_err),
+ HNS3_TQP_STAT("frag_alloc", frag_alloc),
+};
+
+#define HNS3_PRIV_FLAGS_LEN ARRAY_SIZE(hns3_priv_flags)
+
+#define HNS3_RXQ_STATS_COUNT ARRAY_SIZE(hns3_rxq_stats)
+
+#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
+
+#define HNS3_NIC_LB_TEST_PKT_NUM 1
+#define HNS3_NIC_LB_TEST_RING_ID 0
+#define HNS3_NIC_LB_TEST_PACKET_SIZE 128
+#define HNS3_NIC_LB_SETUP_USEC 10000
+
+/* Nic loopback test err */
+#define HNS3_NIC_LB_TEST_NO_MEM_ERR 1
+#define HNS3_NIC_LB_TEST_TX_CNT_ERR 2
+#define HNS3_NIC_LB_TEST_RX_CNT_ERR 3
+
+static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
+{
+ struct hnae3_handle *h = hns3_get_handle(ndev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+ int ret;
+
+ if (!h->ae_algo->ops->set_loopback ||
+ !h->ae_algo->ops->set_promisc_mode)
+ return -EOPNOTSUPP;
+
+ switch (loop) {
+ case HNAE3_LOOP_SERIAL_SERDES:
+ case HNAE3_LOOP_PARALLEL_SERDES:
+ case HNAE3_LOOP_APP:
+ case HNAE3_LOOP_PHY:
+ case HNAE3_LOOP_EXTERNAL:
+ ret = h->ae_algo->ops->set_loopback(h, loop, en);
+ break;
+ default:
+ ret = -ENOTSUPP;
+ break;
+ }
+
+ if (ret || ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2)
+ return ret;
+
+ if (en)
+ h->ae_algo->ops->set_promisc_mode(h, true, true);
+ else
+ /* recover promisc mode before loopback test */
+ hns3_request_update_promisc_mode(h);
+
+ return ret;
+}
+
+static int hns3_lp_up(struct net_device *ndev, enum hnae3_loop loop_mode)
+{
+ struct hnae3_handle *h = hns3_get_handle(ndev);
+ int ret;
+
+ ret = hns3_nic_reset_all_ring(h);
+ if (ret)
+ return ret;
+
+ ret = hns3_lp_setup(ndev, loop_mode, true);
+ usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
+
+ return ret;
+}
+
+static int hns3_lp_down(struct net_device *ndev, enum hnae3_loop loop_mode)
+{
+ int ret;
+
+ ret = hns3_lp_setup(ndev, loop_mode, false);
+ if (ret) {
+ netdev_err(ndev, "lb_setup return error: %d\n", ret);
+ return ret;
+ }
+
+ usleep_range(HNS3_NIC_LB_SETUP_USEC, HNS3_NIC_LB_SETUP_USEC * 2);
+
+ return 0;
+}
+
+static void hns3_lp_setup_skb(struct sk_buff *skb)
+{
+#define HNS3_NIC_LB_DST_MAC_ADDR 0x1f
+
+ struct net_device *ndev = skb->dev;
+ struct hnae3_handle *handle;
+ struct hnae3_ae_dev *ae_dev;
+ unsigned char *packet;
+ struct ethhdr *ethh;
+ unsigned int i;
+
+ skb_reserve(skb, NET_IP_ALIGN);
+ ethh = skb_put(skb, sizeof(struct ethhdr));
+ packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
+
+ memcpy(ethh->h_dest, ndev->dev_addr, ETH_ALEN);
+
+ /* The dst mac addr of loopback packet is the same as the host'
+ * mac addr, the SSU component may loop back the packet to host
+ * before the packet reaches mac or serdes, which will defect
+ * the purpose of mac or serdes selftest.
+ */
+ handle = hns3_get_handle(ndev);
+ ae_dev = pci_get_drvdata(handle->pdev);
+ if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ ethh->h_dest[5] += HNS3_NIC_LB_DST_MAC_ADDR;
+ eth_zero_addr(ethh->h_source);
+ ethh->h_proto = htons(ETH_P_ARP);
+ skb_reset_mac_header(skb);
+
+ for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
+ packet[i] = (unsigned char)(i & 0xff);
+}
+
+static void hns3_lb_check_skb_data(struct hns3_enet_ring *ring,
+ struct sk_buff *skb)
+{
+ struct hns3_enet_tqp_vector *tqp_vector = ring->tqp_vector;
+ unsigned char *packet = skb->data;
+ u32 len = skb_headlen(skb);
+ u32 i;
+
+ len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
+
+ for (i = 0; i < len; i++)
+ if (packet[i] != (unsigned char)(i & 0xff))
+ break;
+
+ /* The packet is correctly received */
+ if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
+ tqp_vector->rx_group.total_packets++;
+ else
+ print_hex_dump(KERN_ERR, "selftest:", DUMP_PREFIX_OFFSET, 16, 1,
+ skb->data, len, true);
+
+ dev_kfree_skb_any(skb);
+}
+
+static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
+{
+ struct hnae3_handle *h = priv->ae_handle;
+ struct hnae3_knic_private_info *kinfo;
+ u32 i, rcv_good_pkt_total = 0;
+
+ kinfo = &h->kinfo;
+ for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
+ struct hns3_enet_ring *ring = &priv->ring[i];
+ struct hns3_enet_ring_group *rx_group;
+ u64 pre_rx_pkt;
+
+ rx_group = &ring->tqp_vector->rx_group;
+ pre_rx_pkt = rx_group->total_packets;
+
+ preempt_disable();
+ hns3_clean_rx_ring(ring, budget, hns3_lb_check_skb_data);
+ preempt_enable();
+
+ rcv_good_pkt_total += (rx_group->total_packets - pre_rx_pkt);
+ rx_group->total_packets = pre_rx_pkt;
+ }
+ return rcv_good_pkt_total;
+}
+
+static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
+ u32 end_ringid, u32 budget)
+{
+ u32 i;
+
+ for (i = start_ringid; i <= end_ringid; i++) {
+ struct hns3_enet_ring *ring = &priv->ring[i];
+
+ hns3_clean_tx_ring(ring, 0);
+ }
+}
+
+/**
+ * hns3_lp_run_test - run loopback test
+ * @ndev: net device
+ * @mode: loopback type
+ *
+ * Return: %0 for success or a NIC loopback test error code on failure
+ */
+static int hns3_lp_run_test(struct net_device *ndev, enum hnae3_loop mode)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct sk_buff *skb;
+ u32 i, good_cnt;
+ int ret_val = 0;
+
+ skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,
+ GFP_KERNEL);
+ if (!skb)
+ return HNS3_NIC_LB_TEST_NO_MEM_ERR;
+
+ skb->dev = ndev;
+ hns3_lp_setup_skb(skb);
+ skb->queue_mapping = HNS3_NIC_LB_TEST_RING_ID;
+
+ good_cnt = 0;
+ for (i = 0; i < HNS3_NIC_LB_TEST_PKT_NUM; i++) {
+ netdev_tx_t tx_ret;
+
+ skb_get(skb);
+ tx_ret = hns3_nic_net_xmit(skb, ndev);
+ if (tx_ret == NETDEV_TX_OK) {
+ good_cnt++;
+ } else {
+ kfree_skb(skb);
+ netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
+ tx_ret);
+ }
+ }
+ if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
+ ret_val = HNS3_NIC_LB_TEST_TX_CNT_ERR;
+ netdev_err(ndev, "mode %d sent fail, cnt=0x%x, budget=0x%x\n",
+ mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
+ goto out;
+ }
+
+ /* Allow 200 milliseconds for packets to go from Tx to Rx */
+ msleep(200);
+
+ good_cnt = hns3_lb_check_rx_ring(priv, HNS3_NIC_LB_TEST_PKT_NUM);
+ if (good_cnt != HNS3_NIC_LB_TEST_PKT_NUM) {
+ ret_val = HNS3_NIC_LB_TEST_RX_CNT_ERR;
+ netdev_err(ndev, "mode %d recv fail, cnt=0x%x, budget=0x%x\n",
+ mode, good_cnt, HNS3_NIC_LB_TEST_PKT_NUM);
+ }
+
+out:
+ hns3_lb_clear_tx_ring(priv, HNS3_NIC_LB_TEST_RING_ID,
+ HNS3_NIC_LB_TEST_RING_ID,
+ HNS3_NIC_LB_TEST_PKT_NUM);
+
+ kfree_skb(skb);
+ return ret_val;
+}
+
+static void hns3_set_selftest_param(struct hnae3_handle *h, int (*st_param)[2])
+{
+ st_param[HNAE3_LOOP_EXTERNAL][0] = HNAE3_LOOP_EXTERNAL;
+ st_param[HNAE3_LOOP_EXTERNAL][1] =
+ h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
+
+ st_param[HNAE3_LOOP_APP][0] = HNAE3_LOOP_APP;
+ st_param[HNAE3_LOOP_APP][1] =
+ h->flags & HNAE3_SUPPORT_APP_LOOPBACK;
+
+ st_param[HNAE3_LOOP_SERIAL_SERDES][0] = HNAE3_LOOP_SERIAL_SERDES;
+ st_param[HNAE3_LOOP_SERIAL_SERDES][1] =
+ h->flags & HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK;
+
+ st_param[HNAE3_LOOP_PARALLEL_SERDES][0] =
+ HNAE3_LOOP_PARALLEL_SERDES;
+ st_param[HNAE3_LOOP_PARALLEL_SERDES][1] =
+ h->flags & HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK;
+
+ st_param[HNAE3_LOOP_PHY][0] = HNAE3_LOOP_PHY;
+ st_param[HNAE3_LOOP_PHY][1] =
+ h->flags & HNAE3_SUPPORT_PHY_LOOPBACK;
+}
+
+static void hns3_selftest_prepare(struct net_device *ndev, bool if_running)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+
+ if (if_running)
+ ndev->netdev_ops->ndo_stop(ndev);
+
+#if IS_ENABLED(CONFIG_VLAN_8021Q)
+ /* Disable the vlan filter for selftest does not support it */
+ if (h->ae_algo->ops->enable_vlan_filter &&
+ ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ h->ae_algo->ops->enable_vlan_filter(h, false);
+#endif
+
+ /* Tell firmware to stop mac autoneg before loopback test start,
+ * otherwise loopback test may be failed when the port is still
+ * negotiating.
+ */
+ if (h->ae_algo->ops->halt_autoneg)
+ h->ae_algo->ops->halt_autoneg(h, true);
+
+ set_bit(HNS3_NIC_STATE_TESTING, &priv->state);
+}
+
+static void hns3_selftest_restore(struct net_device *ndev, bool if_running)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+
+ clear_bit(HNS3_NIC_STATE_TESTING, &priv->state);
+
+ if (h->ae_algo->ops->halt_autoneg)
+ h->ae_algo->ops->halt_autoneg(h, false);
+
+#if IS_ENABLED(CONFIG_VLAN_8021Q)
+ if (h->ae_algo->ops->enable_vlan_filter &&
+ ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ h->ae_algo->ops->enable_vlan_filter(h, true);
+#endif
+
+ if (if_running)
+ ndev->netdev_ops->ndo_open(ndev);
+}
+
+static void hns3_do_selftest(struct net_device *ndev, int (*st_param)[2],
+ struct ethtool_test *eth_test, u64 *data)
+{
+ int test_index = HNAE3_LOOP_APP;
+ u32 i;
+
+ for (i = HNAE3_LOOP_APP; i < HNAE3_LOOP_NONE; i++) {
+ enum hnae3_loop loop_type = (enum hnae3_loop)st_param[i][0];
+
+ if (!st_param[i][1])
+ continue;
+
+ data[test_index] = hns3_lp_up(ndev, loop_type);
+ if (!data[test_index])
+ data[test_index] = hns3_lp_run_test(ndev, loop_type);
+
+ hns3_lp_down(ndev, loop_type);
+
+ if (data[test_index])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ test_index++;
+ }
+}
+
+static void hns3_do_external_lb(struct net_device *ndev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ data[HNAE3_LOOP_EXTERNAL] = hns3_lp_up(ndev, HNAE3_LOOP_EXTERNAL);
+ if (!data[HNAE3_LOOP_EXTERNAL])
+ data[HNAE3_LOOP_EXTERNAL] = hns3_lp_run_test(ndev, HNAE3_LOOP_EXTERNAL);
+ hns3_lp_down(ndev, HNAE3_LOOP_EXTERNAL);
+
+ if (data[HNAE3_LOOP_EXTERNAL])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
+}
+
+/**
+ * hns3_self_test - self test
+ * @ndev: net device
+ * @eth_test: test cmd
+ * @data: test result
+ */
+static void hns3_self_test(struct net_device *ndev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int st_param[HNAE3_LOOP_NONE][2];
+ bool if_running = netif_running(ndev);
+
+ if (hns3_nic_resetting(ndev)) {
+ netdev_err(ndev, "dev resetting!");
+ return;
+ }
+
+ if (!(eth_test->flags & ETH_TEST_FL_OFFLINE))
+ return;
+
+ if (netif_msg_ifdown(h))
+ netdev_info(ndev, "self test start\n");
+
+ hns3_set_selftest_param(h, st_param);
+
+ /* external loopback test requires that the link is up and the duplex is
+ * full, do external test first to reduce the whole test time
+ */
+ if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
+ hns3_external_lb_prepare(ndev, if_running);
+ hns3_do_external_lb(ndev, eth_test, data);
+ hns3_external_lb_restore(ndev, if_running);
+ }
+
+ hns3_selftest_prepare(ndev, if_running);
+ hns3_do_selftest(ndev, st_param, eth_test, data);
+ hns3_selftest_restore(ndev, if_running);
+
+ if (netif_msg_ifdown(h))
+ netdev_info(ndev, "self test end\n");
+}
+
+static void hns3_update_limit_promisc_mode(struct net_device *netdev,
+ bool enable)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+
+ if (enable)
+ set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
+ else
+ clear_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
+
+ hns3_request_update_promisc_mode(handle);
+}
+
+static const struct hns3_pflag_desc hns3_priv_flags[HNAE3_PFLAG_MAX] = {
+ { "limit_promisc", hns3_update_limit_promisc_mode }
+};
+
+static int hns3_get_sset_count(struct net_device *netdev, int stringset)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = h->ae_algo->ops;
+
+ if (!ops->get_sset_count)
+ return -EOPNOTSUPP;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ return ((HNS3_TQP_STATS_COUNT * h->kinfo.num_tqps) +
+ ops->get_sset_count(h, stringset));
+
+ case ETH_SS_TEST:
+ return ops->get_sset_count(h, stringset);
+
+ case ETH_SS_PRIV_FLAGS:
+ return HNAE3_PFLAG_MAX;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
+ u32 stat_count, u32 num_tqps, const char *prefix)
+{
+#define MAX_PREFIX_SIZE (6 + 4)
+ u32 size_left;
+ u32 i, j;
+ u32 n1;
+
+ for (i = 0; i < num_tqps; i++) {
+ for (j = 0; j < stat_count; j++) {
+ data[ETH_GSTRING_LEN - 1] = '\0';
+
+ /* first, prepend the prefix string */
+ n1 = scnprintf(data, MAX_PREFIX_SIZE, "%s%u_",
+ prefix, i);
+ size_left = (ETH_GSTRING_LEN - 1) - n1;
+
+ /* now, concatenate the stats string to it */
+ strncat(data, stats[j].stats_string, size_left);
+ data += ETH_GSTRING_LEN;
+ }
+ }
+
+ return data;
+}
+
+static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
+{
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ const char tx_prefix[] = "txq";
+ const char rx_prefix[] = "rxq";
+
+ /* get strings for Tx */
+ data = hns3_update_strings(data, hns3_txq_stats, HNS3_TXQ_STATS_COUNT,
+ kinfo->num_tqps, tx_prefix);
+
+ /* get strings for Rx */
+ data = hns3_update_strings(data, hns3_rxq_stats, HNS3_RXQ_STATS_COUNT,
+ kinfo->num_tqps, rx_prefix);
+
+ return data;
+}
+
+static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = h->ae_algo->ops;
+ char *buff = (char *)data;
+ int i;
+
+ if (!ops->get_strings)
+ return;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ buff = hns3_get_strings_tqps(h, buff);
+ ops->get_strings(h, stringset, (u8 *)buff);
+ break;
+ case ETH_SS_TEST:
+ ops->get_strings(h, stringset, data);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ for (i = 0; i < HNS3_PRIV_FLAGS_LEN; i++) {
+ snprintf(buff, ETH_GSTRING_LEN, "%s",
+ hns3_priv_flags[i].name);
+ buff += ETH_GSTRING_LEN;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
+{
+ struct hns3_nic_priv *nic_priv = (struct hns3_nic_priv *)handle->priv;
+ struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+ struct hns3_enet_ring *ring;
+ u8 *stat;
+ int i, j;
+
+ /* get stats for Tx */
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ ring = &nic_priv->ring[i];
+ for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
+ stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
+ *data++ = *(u64 *)stat;
+ }
+ }
+
+ /* get stats for Rx */
+ for (i = 0; i < kinfo->num_tqps; i++) {
+ ring = &nic_priv->ring[i + kinfo->num_tqps];
+ for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
+ stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
+ *data++ = *(u64 *)stat;
+ }
+ }
+
+ return data;
+}
+
+/* hns3_get_stats - get detail statistics.
+ * @netdev: net device
+ * @stats: statistics info.
+ * @data: statistics data.
+ */
+static void hns3_get_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ u64 *p = data;
+
+ if (hns3_nic_resetting(netdev)) {
+ netdev_err(netdev, "dev resetting, could not get stats\n");
+ return;
+ }
+
+ if (!h->ae_algo->ops->get_stats || !h->ae_algo->ops->update_stats) {
+ netdev_err(netdev, "could not get any statistics\n");
+ return;
+ }
+
+ h->ae_algo->ops->update_stats(h, &netdev->stats);
+
+ /* get per-queue stats */
+ p = hns3_get_stats_tqps(h, p);
+
+ /* get MAC & other misc hardware stats */
+ h->ae_algo->ops->get_stats(h, p);
+}
+
+static void hns3_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = priv->ae_handle;
+ u32 fw_version;
+
+ if (!h->ae_algo->ops->get_fw_version) {
+ netdev_err(netdev, "could not get fw version!\n");
+ return;
+ }
+
+ strncpy(drvinfo->driver, dev_driver_string(&h->pdev->dev),
+ sizeof(drvinfo->driver));
+ drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
+
+ strncpy(drvinfo->bus_info, pci_name(h->pdev),
+ sizeof(drvinfo->bus_info));
+ drvinfo->bus_info[ETHTOOL_BUSINFO_LEN - 1] = '\0';
+
+ fw_version = priv->ae_handle->ae_algo->ops->get_fw_version(h);
+
+ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+ "%lu.%lu.%lu.%lu",
+ hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
+ HNAE3_FW_VERSION_BYTE3_SHIFT),
+ hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
+ HNAE3_FW_VERSION_BYTE2_SHIFT),
+ hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
+ HNAE3_FW_VERSION_BYTE1_SHIFT),
+ hnae3_get_field(fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
+ HNAE3_FW_VERSION_BYTE0_SHIFT));
+}
+
+static u32 hns3_get_link(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (h->ae_algo->ops->get_status)
+ return h->ae_algo->ops->get_status(h);
+ else
+ return 0;
+}
+
+static void hns3_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *param,
+ struct kernel_ethtool_ringparam *kernel_param,
+ struct netlink_ext_ack *extack)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int rx_queue_index = h->kinfo.num_tqps;
+
+ if (hns3_nic_resetting(netdev) || !priv->ring) {
+ netdev_err(netdev, "failed to get ringparam value, due to dev resetting or uninited\n");
+ return;
+ }
+
+ param->tx_max_pending = HNS3_RING_MAX_PENDING;
+ param->rx_max_pending = HNS3_RING_MAX_PENDING;
+
+ param->tx_pending = priv->ring[0].desc_num;
+ param->rx_pending = priv->ring[rx_queue_index].desc_num;
+ kernel_param->rx_buf_len = priv->ring[rx_queue_index].buf_size;
+ kernel_param->tx_push = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE,
+ &priv->state);
+}
+
+static void hns3_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *param)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
+ return;
+
+ if (h->ae_algo->ops->get_pauseparam)
+ h->ae_algo->ops->get_pauseparam(h, &param->autoneg,
+ &param->rx_pause, &param->tx_pause);
+}
+
+static int hns3_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *param)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, ae_dev->caps))
+ return -EOPNOTSUPP;
+
+ netif_dbg(h, drv, netdev,
+ "set pauseparam: autoneg=%u, rx:%u, tx:%u\n",
+ param->autoneg, param->rx_pause, param->tx_pause);
+
+ if (h->ae_algo->ops->set_pauseparam)
+ return h->ae_algo->ops->set_pauseparam(h, param->autoneg,
+ param->rx_pause,
+ param->tx_pause);
+ return -EOPNOTSUPP;
+}
+
+static void hns3_get_ksettings(struct hnae3_handle *h,
+ struct ethtool_link_ksettings *cmd)
+{
+ const struct hnae3_ae_ops *ops = h->ae_algo->ops;
+
+ /* 1.auto_neg & speed & duplex from cmd */
+ if (ops->get_ksettings_an_result)
+ ops->get_ksettings_an_result(h,
+ &cmd->base.autoneg,
+ &cmd->base.speed,
+ &cmd->base.duplex,
+ &cmd->lanes);
+
+ /* 2.get link mode */
+ if (ops->get_link_mode)
+ ops->get_link_mode(h,
+ cmd->link_modes.supported,
+ cmd->link_modes.advertising);
+
+ /* 3.mdix_ctrl&mdix get from phy reg */
+ if (ops->get_mdix_mode)
+ ops->get_mdix_mode(h, &cmd->base.eth_tp_mdix_ctrl,
+ &cmd->base.eth_tp_mdix);
+}
+
+static int hns3_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+ const struct hnae3_ae_ops *ops;
+ u8 module_type;
+ u8 media_type;
+ u8 link_stat;
+
+ ops = h->ae_algo->ops;
+ if (ops->get_media_type)
+ ops->get_media_type(h, &media_type, &module_type);
+ else
+ return -EOPNOTSUPP;
+
+ switch (media_type) {
+ case HNAE3_MEDIA_TYPE_NONE:
+ cmd->base.port = PORT_NONE;
+ hns3_get_ksettings(h, cmd);
+ break;
+ case HNAE3_MEDIA_TYPE_FIBER:
+ if (module_type == HNAE3_MODULE_TYPE_UNKNOWN)
+ cmd->base.port = PORT_OTHER;
+ else if (module_type == HNAE3_MODULE_TYPE_CR)
+ cmd->base.port = PORT_DA;
+ else
+ cmd->base.port = PORT_FIBRE;
+
+ hns3_get_ksettings(h, cmd);
+ break;
+ case HNAE3_MEDIA_TYPE_BACKPLANE:
+ cmd->base.port = PORT_NONE;
+ hns3_get_ksettings(h, cmd);
+ break;
+ case HNAE3_MEDIA_TYPE_COPPER:
+ cmd->base.port = PORT_TP;
+ if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
+ ops->get_phy_link_ksettings)
+ ops->get_phy_link_ksettings(h, cmd);
+ else if (!netdev->phydev)
+ hns3_get_ksettings(h, cmd);
+ else
+ phy_ethtool_ksettings_get(netdev->phydev, cmd);
+ break;
+ default:
+
+ netdev_warn(netdev, "Unknown media type");
+ return 0;
+ }
+
+ /* mdio_support */
+ cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
+
+ link_stat = hns3_get_link(netdev);
+ if (!link_stat) {
+ cmd->base.speed = SPEED_UNKNOWN;
+ cmd->base.duplex = DUPLEX_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int hns3_check_ksettings_param(const struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ u8 module_type = HNAE3_MODULE_TYPE_UNKNOWN;
+ u8 media_type = HNAE3_MEDIA_TYPE_UNKNOWN;
+ u32 lane_num;
+ u8 autoneg;
+ u32 speed;
+ u8 duplex;
+ int ret;
+
+ /* hw doesn't support use specified speed and duplex to negotiate,
+ * unnecessary to check them when autoneg on.
+ */
+ if (cmd->base.autoneg)
+ return 0;
+
+ if (ops->get_ksettings_an_result) {
+ ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex, &lane_num);
+ if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
+ cmd->base.duplex == duplex && cmd->lanes == lane_num)
+ return 0;
+ }
+
+ if (ops->get_media_type)
+ ops->get_media_type(handle, &media_type, &module_type);
+
+ if (cmd->base.duplex == DUPLEX_HALF &&
+ media_type != HNAE3_MEDIA_TYPE_COPPER) {
+ netdev_err(netdev,
+ "only copper port supports half duplex!");
+ return -EINVAL;
+ }
+
+ if (ops->check_port_speed) {
+ ret = ops->check_port_speed(handle, cmd->base.speed);
+ if (ret) {
+ netdev_err(netdev, "unsupported speed\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int hns3_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ int ret;
+
+ /* Chip don't support this mode. */
+ if (cmd->base.speed == SPEED_1000 && cmd->base.duplex == DUPLEX_HALF)
+ return -EINVAL;
+
+ if (cmd->lanes && !hnae3_ae_dev_lane_num_supported(ae_dev))
+ return -EOPNOTSUPP;
+
+ netif_dbg(handle, drv, netdev,
+ "set link(%s): autoneg=%u, speed=%u, duplex=%u, lanes=%u\n",
+ netdev->phydev ? "phy" : "mac",
+ cmd->base.autoneg, cmd->base.speed, cmd->base.duplex,
+ cmd->lanes);
+
+ /* Only support ksettings_set for netdev with phy attached for now */
+ if (netdev->phydev) {
+ if (cmd->base.speed == SPEED_1000 &&
+ cmd->base.autoneg == AUTONEG_DISABLE)
+ return -EINVAL;
+
+ return phy_ethtool_ksettings_set(netdev->phydev, cmd);
+ } else if (test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, ae_dev->caps) &&
+ ops->set_phy_link_ksettings) {
+ return ops->set_phy_link_ksettings(handle, cmd);
+ }
+
+ if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2)
+ return -EOPNOTSUPP;
+
+ ret = hns3_check_ksettings_param(netdev, cmd);
+ if (ret)
+ return ret;
+
+ if (ops->set_autoneg) {
+ ret = ops->set_autoneg(handle, cmd->base.autoneg);
+ if (ret)
+ return ret;
+ }
+
+ /* hw doesn't support use specified speed and duplex to negotiate,
+ * ignore them when autoneg on.
+ */
+ if (cmd->base.autoneg) {
+ netdev_info(netdev,
+ "autoneg is on, ignore the speed and duplex\n");
+ return 0;
+ }
+
+ if (ops->cfg_mac_speed_dup_h)
+ ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
+ cmd->base.duplex, (u8)(cmd->lanes));
+
+ return ret;
+}
+
+static u32 hns3_get_rss_key_size(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (!h->ae_algo->ops->get_rss_key_size)
+ return 0;
+
+ return h->ae_algo->ops->get_rss_key_size(h);
+}
+
+static u32 hns3_get_rss_indir_size(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+ return ae_dev->dev_specs.rss_ind_tbl_size;
+}
+
+static int hns3_get_rss(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (!h->ae_algo->ops->get_rss)
+ return -EOPNOTSUPP;
+
+ return h->ae_algo->ops->get_rss(h, indir, key, hfunc);
+}
+
+static int hns3_set_rss(struct net_device *netdev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+
+ if (!h->ae_algo->ops->set_rss)
+ return -EOPNOTSUPP;
+
+ if ((ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 &&
+ hfunc != ETH_RSS_HASH_TOP) || (hfunc != ETH_RSS_HASH_NO_CHANGE &&
+ hfunc != ETH_RSS_HASH_TOP && hfunc != ETH_RSS_HASH_XOR)) {
+ netdev_err(netdev, "hash func not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (!indir) {
+ netdev_err(netdev,
+ "set rss failed for indir is empty\n");
+ return -EOPNOTSUPP;
+ }
+
+ return h->ae_algo->ops->set_rss(h, indir, key, hfunc);
+}
+
+static int hns3_get_rxnfc(struct net_device *netdev,
+ struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = h->kinfo.num_tqps;
+ return 0;
+ case ETHTOOL_GRXFH:
+ if (h->ae_algo->ops->get_rss_tuple)
+ return h->ae_algo->ops->get_rss_tuple(h, cmd);
+ return -EOPNOTSUPP;
+ case ETHTOOL_GRXCLSRLCNT:
+ if (h->ae_algo->ops->get_fd_rule_cnt)
+ return h->ae_algo->ops->get_fd_rule_cnt(h, cmd);
+ return -EOPNOTSUPP;
+ case ETHTOOL_GRXCLSRULE:
+ if (h->ae_algo->ops->get_fd_rule_info)
+ return h->ae_algo->ops->get_fd_rule_info(h, cmd);
+ return -EOPNOTSUPP;
+ case ETHTOOL_GRXCLSRLALL:
+ if (h->ae_algo->ops->get_fd_all_rules)
+ return h->ae_algo->ops->get_fd_all_rules(h, cmd,
+ rule_locs);
+ return -EOPNOTSUPP;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const struct hns3_reset_type_map hns3_reset_type[] = {
+ {ETH_RESET_MGMT, HNAE3_IMP_RESET},
+ {ETH_RESET_ALL, HNAE3_GLOBAL_RESET},
+ {ETH_RESET_DEDICATED, HNAE3_FUNC_RESET},
+};
+
+static const struct hns3_reset_type_map hns3vf_reset_type[] = {
+ {ETH_RESET_DEDICATED, HNAE3_VF_FUNC_RESET},
+};
+
+static int hns3_set_reset(struct net_device *netdev, u32 *flags)
+{
+ enum hnae3_reset_type rst_type = HNAE3_NONE_RESET;
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+ const struct hnae3_ae_ops *ops = h->ae_algo->ops;
+ const struct hns3_reset_type_map *rst_type_map;
+ enum ethtool_reset_flags rst_flags;
+ u32 i, size;
+
+ if (ops->ae_dev_resetting && ops->ae_dev_resetting(h))
+ return -EBUSY;
+
+ if (!ops->set_default_reset_request || !ops->reset_event)
+ return -EOPNOTSUPP;
+
+ if (h->flags & HNAE3_SUPPORT_VF) {
+ rst_type_map = hns3vf_reset_type;
+ size = ARRAY_SIZE(hns3vf_reset_type);
+ } else {
+ rst_type_map = hns3_reset_type;
+ size = ARRAY_SIZE(hns3_reset_type);
+ }
+
+ for (i = 0; i < size; i++) {
+ if (rst_type_map[i].rst_flags == *flags) {
+ rst_type = rst_type_map[i].rst_type;
+ rst_flags = rst_type_map[i].rst_flags;
+ break;
+ }
+ }
+
+ if (rst_type == HNAE3_NONE_RESET ||
+ (rst_type == HNAE3_IMP_RESET &&
+ ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2))
+ return -EOPNOTSUPP;
+
+ netdev_info(netdev, "Setting reset type %d\n", rst_type);
+
+ ops->set_default_reset_request(ae_dev, rst_type);
+
+ ops->reset_event(h->pdev, h);
+
+ *flags &= ~rst_flags;
+
+ return 0;
+}
+
+static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
+ u32 tx_desc_num, u32 rx_desc_num)
+{
+ struct hnae3_handle *h = priv->ae_handle;
+ int i;
+
+ h->kinfo.num_tx_desc = tx_desc_num;
+ h->kinfo.num_rx_desc = rx_desc_num;
+
+ for (i = 0; i < h->kinfo.num_tqps; i++) {
+ priv->ring[i].desc_num = tx_desc_num;
+ priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
+ }
+}
+
+static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
+{
+ struct hnae3_handle *handle = priv->ae_handle;
+ struct hns3_enet_ring *tmp_rings;
+ int i;
+
+ tmp_rings = kcalloc(handle->kinfo.num_tqps * 2,
+ sizeof(struct hns3_enet_ring), GFP_KERNEL);
+ if (!tmp_rings)
+ return NULL;
+
+ for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
+ memcpy(&tmp_rings[i], &priv->ring[i],
+ sizeof(struct hns3_enet_ring));
+ tmp_rings[i].skb = NULL;
+ }
+
+ return tmp_rings;
+}
+
+static int hns3_check_ringparam(struct net_device *ndev,
+ struct ethtool_ringparam *param,
+ struct kernel_ethtool_ringparam *kernel_param)
+{
+#define RX_BUF_LEN_2K 2048
+#define RX_BUF_LEN_4K 4096
+
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+
+ if (hns3_nic_resetting(ndev) || !priv->ring) {
+ netdev_err(ndev, "failed to set ringparam value, due to dev resetting or uninited\n");
+ return -EBUSY;
+ }
+
+
+ if (param->rx_mini_pending || param->rx_jumbo_pending)
+ return -EINVAL;
+
+ if (kernel_param->rx_buf_len != RX_BUF_LEN_2K &&
+ kernel_param->rx_buf_len != RX_BUF_LEN_4K) {
+ netdev_err(ndev, "Rx buf len only support 2048 and 4096\n");
+ return -EINVAL;
+ }
+
+ if (param->tx_pending > HNS3_RING_MAX_PENDING ||
+ param->tx_pending < HNS3_RING_MIN_PENDING ||
+ param->rx_pending > HNS3_RING_MAX_PENDING ||
+ param->rx_pending < HNS3_RING_MIN_PENDING) {
+ netdev_err(ndev, "Queue depth out of range [%d-%d]\n",
+ HNS3_RING_MIN_PENDING, HNS3_RING_MAX_PENDING);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static bool
+hns3_is_ringparam_changed(struct net_device *ndev,
+ struct ethtool_ringparam *param,
+ struct kernel_ethtool_ringparam *kernel_param,
+ struct hns3_ring_param *old_ringparam,
+ struct hns3_ring_param *new_ringparam)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+ u16 queue_num = h->kinfo.num_tqps;
+
+ new_ringparam->tx_desc_num = ALIGN(param->tx_pending,
+ HNS3_RING_BD_MULTIPLE);
+ new_ringparam->rx_desc_num = ALIGN(param->rx_pending,
+ HNS3_RING_BD_MULTIPLE);
+ old_ringparam->tx_desc_num = priv->ring[0].desc_num;
+ old_ringparam->rx_desc_num = priv->ring[queue_num].desc_num;
+ old_ringparam->rx_buf_len = priv->ring[queue_num].buf_size;
+ new_ringparam->rx_buf_len = kernel_param->rx_buf_len;
+
+ if (old_ringparam->tx_desc_num == new_ringparam->tx_desc_num &&
+ old_ringparam->rx_desc_num == new_ringparam->rx_desc_num &&
+ old_ringparam->rx_buf_len == new_ringparam->rx_buf_len) {
+ netdev_info(ndev, "descriptor number and rx buffer length not changed\n");
+ return false;
+ }
+
+ return true;
+}
+
+static int hns3_change_rx_buf_len(struct net_device *ndev, u32 rx_buf_len)
+{
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int i;
+
+ h->kinfo.rx_buf_len = rx_buf_len;
+
+ for (i = 0; i < h->kinfo.num_tqps; i++) {
+ h->kinfo.tqp[i]->buf_size = rx_buf_len;
+ priv->ring[i + h->kinfo.num_tqps].buf_size = rx_buf_len;
+ }
+
+ return 0;
+}
+
+static int hns3_set_tx_push(struct net_device *netdev, u32 tx_push)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(h->pdev);
+ u32 old_state = test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, ae_dev->caps) && tx_push)
+ return -EOPNOTSUPP;
+
+ if (tx_push == old_state)
+ return 0;
+
+ netdev_dbg(netdev, "Changing tx push from %s to %s\n",
+ old_state ? "on" : "off", tx_push ? "on" : "off");
+
+ if (tx_push)
+ set_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
+ else
+ clear_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state);
+
+ return 0;
+}
+
+static int hns3_set_ringparam(struct net_device *ndev,
+ struct ethtool_ringparam *param,
+ struct kernel_ethtool_ringparam *kernel_param,
+ struct netlink_ext_ack *extack)
+{
+ struct hns3_ring_param old_ringparam, new_ringparam;
+ struct hns3_nic_priv *priv = netdev_priv(ndev);
+ struct hnae3_handle *h = priv->ae_handle;
+ struct hns3_enet_ring *tmp_rings;
+ bool if_running = netif_running(ndev);
+ int ret, i;
+
+ ret = hns3_check_ringparam(ndev, param, kernel_param);
+ if (ret)
+ return ret;
+
+ ret = hns3_set_tx_push(ndev, kernel_param->tx_push);
+ if (ret)
+ return ret;
+
+ if (!hns3_is_ringparam_changed(ndev, param, kernel_param,
+ &old_ringparam, &new_ringparam))
+ return 0;
+
+ tmp_rings = hns3_backup_ringparam(priv);
+ if (!tmp_rings) {
+ netdev_err(ndev, "backup ring param failed by allocating memory fail\n");
+ return -ENOMEM;
+ }
+
+ netdev_info(ndev,
+ "Changing Tx/Rx ring depth from %u/%u to %u/%u, Changing rx buffer len from %u to %u\n",
+ old_ringparam.tx_desc_num, old_ringparam.rx_desc_num,
+ new_ringparam.tx_desc_num, new_ringparam.rx_desc_num,
+ old_ringparam.rx_buf_len, new_ringparam.rx_buf_len);
+
+ if (if_running)
+ ndev->netdev_ops->ndo_stop(ndev);
+
+ hns3_change_all_ring_bd_num(priv, new_ringparam.tx_desc_num,
+ new_ringparam.rx_desc_num);
+ hns3_change_rx_buf_len(ndev, new_ringparam.rx_buf_len);
+ ret = hns3_init_all_ring(priv);
+ if (ret) {
+ netdev_err(ndev, "set ringparam fail, revert to old value(%d)\n",
+ ret);
+
+ hns3_change_rx_buf_len(ndev, old_ringparam.rx_buf_len);
+ hns3_change_all_ring_bd_num(priv, old_ringparam.tx_desc_num,
+ old_ringparam.rx_desc_num);
+ for (i = 0; i < h->kinfo.num_tqps * 2; i++)
+ memcpy(&priv->ring[i], &tmp_rings[i],
+ sizeof(struct hns3_enet_ring));
+ } else {
+ for (i = 0; i < h->kinfo.num_tqps * 2; i++)
+ hns3_fini_ring(&tmp_rings[i]);
+ }
+
+ kfree(tmp_rings);
+
+ if (if_running)
+ ret = ndev->netdev_ops->ndo_open(ndev);
+
+ return ret;
+}
+
+static int hns3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXFH:
+ if (h->ae_algo->ops->set_rss_tuple)
+ return h->ae_algo->ops->set_rss_tuple(h, cmd);
+ return -EOPNOTSUPP;
+ case ETHTOOL_SRXCLSRLINS:
+ if (h->ae_algo->ops->add_fd_entry)
+ return h->ae_algo->ops->add_fd_entry(h, cmd);
+ return -EOPNOTSUPP;
+ case ETHTOOL_SRXCLSRLDEL:
+ if (h->ae_algo->ops->del_fd_entry)
+ return h->ae_algo->ops->del_fd_entry(h, cmd);
+ return -EOPNOTSUPP;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int hns3_nway_reset(struct net_device *netdev)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ struct phy_device *phy = netdev->phydev;
+ int autoneg;
+
+ if (!netif_running(netdev))
+ return 0;
+
+ if (hns3_nic_resetting(netdev)) {
+ netdev_err(netdev, "dev resetting!");
+ return -EBUSY;
+ }
+
+ if (!ops->get_autoneg || !ops->restart_autoneg)
+ return -EOPNOTSUPP;
+
+ autoneg = ops->get_autoneg(handle);
+ if (autoneg != AUTONEG_ENABLE) {
+ netdev_err(netdev,
+ "Autoneg is off, don't support to restart it\n");
+ return -EINVAL;
+ }
+
+ netif_dbg(handle, drv, netdev,
+ "nway reset (using %s)\n", phy ? "phy" : "mac");
+
+ if (phy)
+ return genphy_restart_aneg(phy);
+
+ return ops->restart_autoneg(handle);
+}
+
+static void hns3_get_channels(struct net_device *netdev,
+ struct ethtool_channels *ch)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (h->ae_algo->ops->get_channels)
+ h->ae_algo->ops->get_channels(h, ch);
+}
+
+static int hns3_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *cmd,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
+ struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
+ struct hnae3_handle *h = priv->ae_handle;
+
+ if (hns3_nic_resetting(netdev))
+ return -EBUSY;
+
+ cmd->use_adaptive_tx_coalesce = tx_coal->adapt_enable;
+ cmd->use_adaptive_rx_coalesce = rx_coal->adapt_enable;
+
+ cmd->tx_coalesce_usecs = tx_coal->int_gl;
+ cmd->rx_coalesce_usecs = rx_coal->int_gl;
+
+ cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting;
+ cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting;
+
+ cmd->tx_max_coalesced_frames = tx_coal->int_ql;
+ cmd->rx_max_coalesced_frames = rx_coal->int_ql;
+
+ kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode ==
+ DIM_CQ_PERIOD_MODE_START_FROM_CQE);
+ kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode ==
+ DIM_CQ_PERIOD_MODE_START_FROM_CQE);
+
+ return 0;
+}
+
+static int hns3_check_gl_coalesce_para(struct net_device *netdev,
+ struct ethtool_coalesce *cmd)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ u32 rx_gl, tx_gl;
+
+ if (cmd->rx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
+ netdev_err(netdev,
+ "invalid rx-usecs value, rx-usecs range is 0-%u\n",
+ ae_dev->dev_specs.max_int_gl);
+ return -EINVAL;
+ }
+
+ if (cmd->tx_coalesce_usecs > ae_dev->dev_specs.max_int_gl) {
+ netdev_err(netdev,
+ "invalid tx-usecs value, tx-usecs range is 0-%u\n",
+ ae_dev->dev_specs.max_int_gl);
+ return -EINVAL;
+ }
+
+ /* device version above V3(include V3), GL uses 1us unit,
+ * so the round down is not needed.
+ */
+ if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3)
+ return 0;
+
+ rx_gl = hns3_gl_round_down(cmd->rx_coalesce_usecs);
+ if (rx_gl != cmd->rx_coalesce_usecs) {
+ netdev_info(netdev,
+ "rx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
+ cmd->rx_coalesce_usecs, rx_gl);
+ }
+
+ tx_gl = hns3_gl_round_down(cmd->tx_coalesce_usecs);
+ if (tx_gl != cmd->tx_coalesce_usecs) {
+ netdev_info(netdev,
+ "tx_usecs(%u) rounded down to %u, because it must be multiple of 2.\n",
+ cmd->tx_coalesce_usecs, tx_gl);
+ }
+
+ return 0;
+}
+
+static int hns3_check_rl_coalesce_para(struct net_device *netdev,
+ struct ethtool_coalesce *cmd)
+{
+ u32 rl;
+
+ if (cmd->tx_coalesce_usecs_high != cmd->rx_coalesce_usecs_high) {
+ netdev_err(netdev,
+ "tx_usecs_high must be same as rx_usecs_high.\n");
+ return -EINVAL;
+ }
+
+ if (cmd->rx_coalesce_usecs_high > HNS3_INT_RL_MAX) {
+ netdev_err(netdev,
+ "Invalid usecs_high value, usecs_high range is 0-%d\n",
+ HNS3_INT_RL_MAX);
+ return -EINVAL;
+ }
+
+ rl = hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
+ if (rl != cmd->rx_coalesce_usecs_high) {
+ netdev_info(netdev,
+ "usecs_high(%u) rounded down to %u, because it must be multiple of 4.\n",
+ cmd->rx_coalesce_usecs_high, rl);
+ }
+
+ return 0;
+}
+
+static int hns3_check_ql_coalesce_param(struct net_device *netdev,
+ struct ethtool_coalesce *cmd)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+
+ if ((cmd->tx_max_coalesced_frames || cmd->rx_max_coalesced_frames) &&
+ !ae_dev->dev_specs.int_ql_max) {
+ netdev_err(netdev, "coalesced frames is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (cmd->tx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max ||
+ cmd->rx_max_coalesced_frames > ae_dev->dev_specs.int_ql_max) {
+ netdev_err(netdev,
+ "invalid coalesced_frames value, range is 0-%u\n",
+ ae_dev->dev_specs.int_ql_max);
+ return -ERANGE;
+ }
+
+ return 0;
+}
+
+static int
+hns3_check_cqe_coalesce_param(struct net_device *netdev,
+ struct kernel_ethtool_coalesce *kernel_coal)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+
+ if ((kernel_coal->use_cqe_mode_tx || kernel_coal->use_cqe_mode_rx) &&
+ !hnae3_ae_dev_cq_supported(ae_dev)) {
+ netdev_err(netdev, "coalesced cqe mode is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+hns3_check_coalesce_para(struct net_device *netdev,
+ struct ethtool_coalesce *cmd,
+ struct kernel_ethtool_coalesce *kernel_coal)
+{
+ int ret;
+
+ ret = hns3_check_cqe_coalesce_param(netdev, kernel_coal);
+ if (ret)
+ return ret;
+
+ ret = hns3_check_gl_coalesce_para(netdev, cmd);
+ if (ret) {
+ netdev_err(netdev,
+ "Check gl coalesce param fail. ret = %d\n", ret);
+ return ret;
+ }
+
+ ret = hns3_check_rl_coalesce_para(netdev, cmd);
+ if (ret) {
+ netdev_err(netdev,
+ "Check rl coalesce param fail. ret = %d\n", ret);
+ return ret;
+ }
+
+ return hns3_check_ql_coalesce_param(netdev, cmd);
+}
+
+static void hns3_set_coalesce_per_queue(struct net_device *netdev,
+ struct ethtool_coalesce *cmd,
+ u32 queue)
+{
+ struct hns3_enet_tqp_vector *tx_vector, *rx_vector;
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int queue_num = h->kinfo.num_tqps;
+
+ tx_vector = priv->ring[queue].tqp_vector;
+ rx_vector = priv->ring[queue_num + queue].tqp_vector;
+
+ tx_vector->tx_group.coal.adapt_enable =
+ cmd->use_adaptive_tx_coalesce;
+ rx_vector->rx_group.coal.adapt_enable =
+ cmd->use_adaptive_rx_coalesce;
+
+ tx_vector->tx_group.coal.int_gl = cmd->tx_coalesce_usecs;
+ rx_vector->rx_group.coal.int_gl = cmd->rx_coalesce_usecs;
+
+ tx_vector->tx_group.coal.int_ql = cmd->tx_max_coalesced_frames;
+ rx_vector->rx_group.coal.int_ql = cmd->rx_max_coalesced_frames;
+
+ hns3_set_vector_coalesce_tx_gl(tx_vector,
+ tx_vector->tx_group.coal.int_gl);
+ hns3_set_vector_coalesce_rx_gl(rx_vector,
+ rx_vector->rx_group.coal.int_gl);
+
+ hns3_set_vector_coalesce_rl(tx_vector, h->kinfo.int_rl_setting);
+ hns3_set_vector_coalesce_rl(rx_vector, h->kinfo.int_rl_setting);
+
+ if (tx_vector->tx_group.coal.ql_enable)
+ hns3_set_vector_coalesce_tx_ql(tx_vector,
+ tx_vector->tx_group.coal.int_ql);
+ if (rx_vector->rx_group.coal.ql_enable)
+ hns3_set_vector_coalesce_rx_ql(rx_vector,
+ rx_vector->rx_group.coal.int_ql);
+}
+
+static int hns3_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *cmd,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
+ struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
+ u16 queue_num = h->kinfo.num_tqps;
+ enum dim_cq_period_mode tx_mode;
+ enum dim_cq_period_mode rx_mode;
+ int ret;
+ int i;
+
+ if (hns3_nic_resetting(netdev))
+ return -EBUSY;
+
+ ret = hns3_check_coalesce_para(netdev, cmd, kernel_coal);
+ if (ret)
+ return ret;
+
+ h->kinfo.int_rl_setting =
+ hns3_rl_round_down(cmd->rx_coalesce_usecs_high);
+
+ tx_coal->adapt_enable = cmd->use_adaptive_tx_coalesce;
+ rx_coal->adapt_enable = cmd->use_adaptive_rx_coalesce;
+
+ tx_coal->int_gl = cmd->tx_coalesce_usecs;
+ rx_coal->int_gl = cmd->rx_coalesce_usecs;
+
+ tx_coal->int_ql = cmd->tx_max_coalesced_frames;
+ rx_coal->int_ql = cmd->rx_max_coalesced_frames;
+
+ for (i = 0; i < queue_num; i++)
+ hns3_set_coalesce_per_queue(netdev, cmd, i);
+
+ tx_mode = kernel_coal->use_cqe_mode_tx ?
+ DIM_CQ_PERIOD_MODE_START_FROM_CQE :
+ DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ rx_mode = kernel_coal->use_cqe_mode_rx ?
+ DIM_CQ_PERIOD_MODE_START_FROM_CQE :
+ DIM_CQ_PERIOD_MODE_START_FROM_EQE;
+ hns3_cq_period_mode_init(priv, tx_mode, rx_mode);
+
+ return 0;
+}
+
+static int hns3_get_regs_len(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (!h->ae_algo->ops->get_regs_len)
+ return -EOPNOTSUPP;
+
+ return h->ae_algo->ops->get_regs_len(h);
+}
+
+static void hns3_get_regs(struct net_device *netdev,
+ struct ethtool_regs *cmd, void *data)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (!h->ae_algo->ops->get_regs)
+ return;
+
+ h->ae_algo->ops->get_regs(h, &cmd->version, data);
+}
+
+static int hns3_set_phys_id(struct net_device *netdev,
+ enum ethtool_phys_id_state state)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (!h->ae_algo->ops->set_led_id)
+ return -EOPNOTSUPP;
+
+ return h->ae_algo->ops->set_led_id(h, state);
+}
+
+static u32 hns3_get_msglevel(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ return h->msg_enable;
+}
+
+static void hns3_set_msglevel(struct net_device *netdev, u32 msg_level)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ h->msg_enable = msg_level;
+}
+
+static void hns3_get_fec_stats(struct net_device *netdev,
+ struct ethtool_fec_stats *fec_stats)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+
+ if (!hnae3_ae_dev_fec_stats_supported(ae_dev) || !ops->get_fec_stats)
+ return;
+
+ ops->get_fec_stats(handle, fec_stats);
+}
+
+/* Translate local fec value into ethtool value. */
+static unsigned int loc_to_eth_fec(u8 loc_fec)
+{
+ u32 eth_fec = 0;
+
+ if (loc_fec & BIT(HNAE3_FEC_AUTO))
+ eth_fec |= ETHTOOL_FEC_AUTO;
+ if (loc_fec & BIT(HNAE3_FEC_RS))
+ eth_fec |= ETHTOOL_FEC_RS;
+ if (loc_fec & BIT(HNAE3_FEC_LLRS))
+ eth_fec |= ETHTOOL_FEC_LLRS;
+ if (loc_fec & BIT(HNAE3_FEC_BASER))
+ eth_fec |= ETHTOOL_FEC_BASER;
+ if (loc_fec & BIT(HNAE3_FEC_NONE))
+ eth_fec |= ETHTOOL_FEC_OFF;
+
+ return eth_fec;
+}
+
+/* Translate ethtool fec value into local value. */
+static unsigned int eth_to_loc_fec(unsigned int eth_fec)
+{
+ u32 loc_fec = 0;
+
+ if (eth_fec & ETHTOOL_FEC_OFF)
+ loc_fec |= BIT(HNAE3_FEC_NONE);
+ if (eth_fec & ETHTOOL_FEC_AUTO)
+ loc_fec |= BIT(HNAE3_FEC_AUTO);
+ if (eth_fec & ETHTOOL_FEC_RS)
+ loc_fec |= BIT(HNAE3_FEC_RS);
+ if (eth_fec & ETHTOOL_FEC_LLRS)
+ loc_fec |= BIT(HNAE3_FEC_LLRS);
+ if (eth_fec & ETHTOOL_FEC_BASER)
+ loc_fec |= BIT(HNAE3_FEC_BASER);
+
+ return loc_fec;
+}
+
+static int hns3_get_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fec)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ u8 fec_ability;
+ u8 fec_mode;
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
+ return -EOPNOTSUPP;
+
+ if (!ops->get_fec)
+ return -EOPNOTSUPP;
+
+ ops->get_fec(handle, &fec_ability, &fec_mode);
+
+ fec->fec = loc_to_eth_fec(fec_ability);
+ fec->active_fec = loc_to_eth_fec(fec_mode);
+ if (!fec->active_fec)
+ fec->active_fec = ETHTOOL_FEC_OFF;
+
+ return 0;
+}
+
+static int hns3_set_fecparam(struct net_device *netdev,
+ struct ethtool_fecparam *fec)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ u32 fec_mode;
+
+ if (!test_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps))
+ return -EOPNOTSUPP;
+
+ if (!ops->set_fec)
+ return -EOPNOTSUPP;
+ fec_mode = eth_to_loc_fec(fec->fec);
+
+ netif_dbg(handle, drv, netdev, "set fecparam: mode=%u\n", fec_mode);
+
+ return ops->set_fec(handle, fec_mode);
+}
+
+static int hns3_get_module_info(struct net_device *netdev,
+ struct ethtool_modinfo *modinfo)
+{
+#define HNS3_SFF_8636_V1_3 0x03
+
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ struct hns3_sfp_type sfp_type;
+ int ret;
+
+ if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
+ !ops->get_module_eeprom)
+ return -EOPNOTSUPP;
+
+ memset(&sfp_type, 0, sizeof(sfp_type));
+ ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
+ (u8 *)&sfp_type);
+ if (ret)
+ return ret;
+
+ switch (sfp_type.type) {
+ case SFF8024_ID_SFP:
+ modinfo->type = ETH_MODULE_SFF_8472;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
+ break;
+ case SFF8024_ID_QSFP_8438:
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
+ break;
+ case SFF8024_ID_QSFP_8436_8636:
+ if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
+ } else {
+ modinfo->type = ETH_MODULE_SFF_8636;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
+ }
+ break;
+ case SFF8024_ID_QSFP28_8636:
+ modinfo->type = ETH_MODULE_SFF_8636;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
+ break;
+ default:
+ netdev_err(netdev, "Optical module unknown: %#x\n",
+ sfp_type.type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hns3_get_module_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *ee, u8 *data)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+
+ if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V2 ||
+ !ops->get_module_eeprom)
+ return -EOPNOTSUPP;
+
+ if (!ee->len)
+ return -EINVAL;
+
+ memset(data, 0, ee->len);
+
+ return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
+}
+
+static u32 hns3_get_priv_flags(struct net_device *netdev)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+
+ return handle->priv_flags;
+}
+
+static int hns3_check_priv_flags(struct hnae3_handle *h, u32 changed)
+{
+ u32 i;
+
+ for (i = 0; i < HNAE3_PFLAG_MAX; i++)
+ if ((changed & BIT(i)) && !test_bit(i, &h->supported_pflags)) {
+ netdev_err(h->netdev, "%s is unsupported\n",
+ hns3_priv_flags[i].name);
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ u32 changed = pflags ^ handle->priv_flags;
+ int ret;
+ u32 i;
+
+ ret = hns3_check_priv_flags(handle, changed);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < HNAE3_PFLAG_MAX; i++) {
+ if (changed & BIT(i)) {
+ bool enable = !(handle->priv_flags & BIT(i));
+
+ if (enable)
+ handle->priv_flags |= BIT(i);
+ else
+ handle->priv_flags &= ~BIT(i);
+ hns3_priv_flags[i].handler(netdev, enable);
+ }
+ }
+
+ return 0;
+}
+
+static int hns3_get_tunable(struct net_device *netdev,
+ const struct ethtool_tunable *tuna,
+ void *data)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int ret = 0;
+
+ switch (tuna->id) {
+ case ETHTOOL_TX_COPYBREAK:
+ /* all the tx rings have the same tx_copybreak */
+ *(u32 *)data = priv->tx_copybreak;
+ break;
+ case ETHTOOL_RX_COPYBREAK:
+ *(u32 *)data = priv->rx_copybreak;
+ break;
+ case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
+ *(u32 *)data = h->kinfo.tx_spare_buf_size;
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+static int hns3_set_tx_spare_buf_size(struct net_device *netdev,
+ u32 data)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ struct hnae3_handle *h = priv->ae_handle;
+ int ret;
+
+ h->kinfo.tx_spare_buf_size = data;
+
+ ret = hns3_reset_notify(h, HNAE3_DOWN_CLIENT);
+ if (ret)
+ return ret;
+
+ ret = hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
+ if (ret)
+ return ret;
+
+ ret = hns3_reset_notify(h, HNAE3_INIT_CLIENT);
+ if (ret)
+ return ret;
+
+ ret = hns3_reset_notify(h, HNAE3_UP_CLIENT);
+ if (ret)
+ hns3_reset_notify(h, HNAE3_UNINIT_CLIENT);
+
+ return ret;
+}
+
+static int hns3_set_tunable(struct net_device *netdev,
+ const struct ethtool_tunable *tuna,
+ const void *data)
+{
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
+ u32 old_tx_spare_buf_size, new_tx_spare_buf_size;
+ struct hnae3_handle *h = priv->ae_handle;
+ int i, ret = 0;
+
+ if (hns3_nic_resetting(netdev) || !priv->ring) {
+ netdev_err(netdev, "failed to set tunable value, dev resetting!");
+ return -EBUSY;
+ }
+
+ switch (tuna->id) {
+ case ETHTOOL_TX_COPYBREAK:
+ priv->tx_copybreak = *(u32 *)data;
+
+ for (i = 0; i < h->kinfo.num_tqps; i++)
+ priv->ring[i].tx_copybreak = priv->tx_copybreak;
+
+ break;
+ case ETHTOOL_RX_COPYBREAK:
+ priv->rx_copybreak = *(u32 *)data;
+
+ for (i = h->kinfo.num_tqps; i < h->kinfo.num_tqps * 2; i++)
+ priv->ring[i].rx_copybreak = priv->rx_copybreak;
+
+ break;
+ case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
+ old_tx_spare_buf_size = h->kinfo.tx_spare_buf_size;
+ new_tx_spare_buf_size = *(u32 *)data;
+ netdev_info(netdev, "request to set tx spare buf size from %u to %u\n",
+ old_tx_spare_buf_size, new_tx_spare_buf_size);
+ ret = hns3_set_tx_spare_buf_size(netdev, new_tx_spare_buf_size);
+ if (ret ||
+ (!priv->ring->tx_spare && new_tx_spare_buf_size != 0)) {
+ int ret1;
+
+ netdev_warn(netdev, "change tx spare buf size fail, revert to old value\n");
+ ret1 = hns3_set_tx_spare_buf_size(netdev,
+ old_tx_spare_buf_size);
+ if (ret1) {
+ netdev_err(netdev, "revert to old tx spare buf size fail\n");
+ return ret1;
+ }
+
+ return ret;
+ }
+
+ if (!priv->ring->tx_spare)
+ netdev_info(netdev, "the active tx spare buf size is 0, disable tx spare buffer\n");
+ else
+ netdev_info(netdev, "the active tx spare buf size is %u, due to page order\n",
+ priv->ring->tx_spare->len);
+
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+#define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \
+ ETHTOOL_COALESCE_USE_ADAPTIVE | \
+ ETHTOOL_COALESCE_RX_USECS_HIGH | \
+ ETHTOOL_COALESCE_TX_USECS_HIGH | \
+ ETHTOOL_COALESCE_MAX_FRAMES | \
+ ETHTOOL_COALESCE_USE_CQE)
+
+#define HNS3_ETHTOOL_RING (ETHTOOL_RING_USE_RX_BUF_LEN | \
+ ETHTOOL_RING_USE_TX_PUSH)
+
+static int hns3_get_ts_info(struct net_device *netdev,
+ struct ethtool_ts_info *info)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+
+ if (handle->ae_algo->ops->get_ts_info)
+ return handle->ae_algo->ops->get_ts_info(handle, info);
+
+ return ethtool_op_get_ts_info(netdev, info);
+}
+
+static const struct hns3_ethtool_link_ext_state_mapping
+hns3_link_ext_state_map[] = {
+ {1, ETHTOOL_LINK_EXT_STATE_AUTONEG,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
+ {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
+ ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
+
+ {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
+ {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
+ {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
+ ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
+
+ {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
+ {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
+ {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
+ ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
+
+ {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
+ {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST},
+ {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
+ ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS},
+
+ {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
+ {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
+ ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
+
+ {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
+};
+
+static int hns3_get_link_ext_state(struct net_device *netdev,
+ struct ethtool_link_ext_state_info *info)
+{
+ const struct hns3_ethtool_link_ext_state_mapping *map;
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+ u32 status_code, i;
+ int ret;
+
+ if (netif_carrier_ok(netdev))
+ return -ENODATA;
+
+ if (!h->ae_algo->ops->get_link_diagnosis_info)
+ return -EOPNOTSUPP;
+
+ ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) {
+ map = &hns3_link_ext_state_map[i];
+ if (map->status_code == status_code) {
+ info->link_ext_state = map->link_ext_state;
+ info->__link_ext_substate = map->link_ext_substate;
+ return 0;
+ }
+ }
+
+ return -ENODATA;
+}
+
+static const struct ethtool_ops hns3vf_ethtool_ops = {
+ .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
+ .supported_ring_params = HNS3_ETHTOOL_RING,
+ .get_drvinfo = hns3_get_drvinfo,
+ .get_ringparam = hns3_get_ringparam,
+ .set_ringparam = hns3_set_ringparam,
+ .get_strings = hns3_get_strings,
+ .get_ethtool_stats = hns3_get_stats,
+ .get_sset_count = hns3_get_sset_count,
+ .get_rxnfc = hns3_get_rxnfc,
+ .set_rxnfc = hns3_set_rxnfc,
+ .get_rxfh_key_size = hns3_get_rss_key_size,
+ .get_rxfh_indir_size = hns3_get_rss_indir_size,
+ .get_rxfh = hns3_get_rss,
+ .set_rxfh = hns3_set_rss,
+ .get_link_ksettings = hns3_get_link_ksettings,
+ .get_channels = hns3_get_channels,
+ .set_channels = hns3_set_channels,
+ .get_coalesce = hns3_get_coalesce,
+ .set_coalesce = hns3_set_coalesce,
+ .get_regs_len = hns3_get_regs_len,
+ .get_regs = hns3_get_regs,
+ .get_link = hns3_get_link,
+ .get_msglevel = hns3_get_msglevel,
+ .set_msglevel = hns3_set_msglevel,
+ .get_priv_flags = hns3_get_priv_flags,
+ .set_priv_flags = hns3_set_priv_flags,
+ .get_tunable = hns3_get_tunable,
+ .set_tunable = hns3_set_tunable,
+ .reset = hns3_set_reset,
+};
+
+static const struct ethtool_ops hns3_ethtool_ops = {
+ .supported_coalesce_params = HNS3_ETHTOOL_COALESCE,
+ .supported_ring_params = HNS3_ETHTOOL_RING,
+ .cap_link_lanes_supported = true,
+ .self_test = hns3_self_test,
+ .get_drvinfo = hns3_get_drvinfo,
+ .get_link = hns3_get_link,
+ .get_ringparam = hns3_get_ringparam,
+ .set_ringparam = hns3_set_ringparam,
+ .get_pauseparam = hns3_get_pauseparam,
+ .set_pauseparam = hns3_set_pauseparam,
+ .get_strings = hns3_get_strings,
+ .get_ethtool_stats = hns3_get_stats,
+ .get_sset_count = hns3_get_sset_count,
+ .get_rxnfc = hns3_get_rxnfc,
+ .set_rxnfc = hns3_set_rxnfc,
+ .get_rxfh_key_size = hns3_get_rss_key_size,
+ .get_rxfh_indir_size = hns3_get_rss_indir_size,
+ .get_rxfh = hns3_get_rss,
+ .set_rxfh = hns3_set_rss,
+ .get_link_ksettings = hns3_get_link_ksettings,
+ .set_link_ksettings = hns3_set_link_ksettings,
+ .nway_reset = hns3_nway_reset,
+ .get_channels = hns3_get_channels,
+ .set_channels = hns3_set_channels,
+ .get_coalesce = hns3_get_coalesce,
+ .set_coalesce = hns3_set_coalesce,
+ .get_regs_len = hns3_get_regs_len,
+ .get_regs = hns3_get_regs,
+ .set_phys_id = hns3_set_phys_id,
+ .get_msglevel = hns3_get_msglevel,
+ .set_msglevel = hns3_set_msglevel,
+ .get_fecparam = hns3_get_fecparam,
+ .set_fecparam = hns3_set_fecparam,
+ .get_fec_stats = hns3_get_fec_stats,
+ .get_module_info = hns3_get_module_info,
+ .get_module_eeprom = hns3_get_module_eeprom,
+ .get_priv_flags = hns3_get_priv_flags,
+ .set_priv_flags = hns3_set_priv_flags,
+ .get_ts_info = hns3_get_ts_info,
+ .get_tunable = hns3_get_tunable,
+ .set_tunable = hns3_set_tunable,
+ .reset = hns3_set_reset,
+ .get_link_ext_state = hns3_get_link_ext_state,
+};
+
+void hns3_ethtool_set_ops(struct net_device *netdev)
+{
+ struct hnae3_handle *h = hns3_get_handle(netdev);
+
+ if (h->flags & HNAE3_SUPPORT_VF)
+ netdev->ethtool_ops = &hns3vf_ethtool_ops;
+ else
+ netdev->ethtool_ops = &hns3_ethtool_ops;
+}